*/ public static function analysisHourLengths(): array { return [3, 5, 7]; } /** * Day buckets used later for campaign verdicts (Phase 3+). * * @return list */ public static function analysisDayLengths(): array { return [3, 7]; } public static function maxAnalysisHours(): int { return max(self::analysisHourLengths()); } /** * Fixed analysis windows for verdict evaluation. * * @return array */ public static function analysis(): array { $windows = []; foreach (self::analysisHourLengths() as $hours) { $windows[$hours.'h'] = ['type' => 'hours', 'length' => $hours]; } foreach (self::analysisDayLengths() as $days) { $windows[$days.'d'] = ['type' => 'days', 'length' => $days]; } return $windows; } /** * @return list */ public static function hourWindowKeys(): array { return array_map( fn (int $hours): string => $hours.'h', self::analysisHourLengths(), ); } /** * @return list */ public static function orderedWindowKeys(): array { return array_keys(self::analysis()); } }